/*
 * Copyright 2018-present the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.cloud.config.server.environment;

/**
 * @author Spencer Gibb
 */
public interface EnvironmentWatch {

	String watch(String state);

	/**
	 * Default implementation of the {@link EnvironmentWatch}.
	 */
	class Default implements EnvironmentWatch {

		@Override
		public String watch(String state) {
			return null;
		}

	}

}
